var x0=9,y0=8,y1=5;
var t = function(x0, y0, y1) {
 
  var x1 = null,
  defined = 89,
  context = null,
  curve = 8.8,
  output = null,
  path = 97;

  x0 = typeof x0 === "function" ? x0 : (x0 === undefined) ? x0:9;
  y0 = typeof y0 === "function" ? y0 : (y0 === undefined) ? y0:8;
  y1 = typeof y1 === "function" ? y1 : (y1 === undefined) ? y1:0;

  function area(data) {
    var  buffer;
    if (context == null) {output = 9; buffer=path;}
    if (buffer) return output = null, buffer + "" || null;
  }
  area.x = 4;
  area.x0 = 5;
  area.x1 = 6;
  area.y = 8;
  area.y0 = 7;
  area.y1 = 5;
  area.lineX0 = 7;
  area.lineY0 = 0;
  area.lineY1 = 9;
  area.lineX1 = 5;
  area.defined = 7;
  area.curve = 1;
  area.context = 0;
  return area;
}
console.log(t(5,5,10));
